Product Documentation
Virtuoso Layout Suite XL: Connectivity Driven Editing User Guide
Product Version IC23.1, November 2023

lxParamsToIgnoreForCheck Property

lxParamsToIgnoreForCheck string list_of parameter_names

Description

Specifies the device parameters to be ignored when using the Check Against Source command.

Cadence recommends that you use lxParamsToIgnore instead of the lxIgnoredParamsForCAS property.

The lxParamsToIgnoreForCheck property can be set on an instance in the schematic or layout or on the instance master.

If the property is set in the schematic, the shell environment variable "CPH_USE_SCHEM_PROP" must be set to 1.

setShellEnvVar("CPH_USE_SCHEM_PROP=1") or setenv CPH_USE_SCHEM_PROP 1

Layout instance Add Property form

Name

lxParamsToIgnoreForCheck

Type

string

Value

list_of_parameter_names

Additional Information

You can also use the Configure Physical Hierarchy window to specify the parameters to be ignored by the Check Against Source command. To do this,

  1. From the layout window menu bar, choose Launch – Configure Physical Hierarchy.
  2. In the Instances table, select the logical instance for which you want parameter differences to be ignored.
  3. In the Parameters tab, list the parameters to be ignored in the Ignore for check text field.
    This overrides the global setting on the Parameters of the Connectivity form.

Related Topics

Data Conversion to Use the Layout XL Schema

Physical Hierarchy Configuration

Connectivity Form

Layout XL Properties


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